HD74HCT688 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – 8-bit Magnitude Comparator

Block Diagram
P0
Q0
P1
Q1
P2
Q2
P3
Q3
P4
Q4
P5
Q5
P6
Q6
P7
Q7
G
HD74HCT688
P=Q
3